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What is herd immunity
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=SwyfnhxAj_A
Knowledge Nugget • Immunity is active always, preventing infections from the pathogens we encounter everyday in our environment • Once infected and recovered, it is unlikely to get the same infection again from the same patogen for some time • When many people in a community, usually 50% to 70%, are immune to a particular pathogen, the community as a whole has achieved herd immunity • ~-~~-~~~-~~-~ • For Information about new vaccine research, do watch: Coronavirus Vaccine Development Update | Covid Vaccine Trials • • Coronavirus Vaccine Development Updat... • ~-~~-~~~-~~-~
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